Arsenic poisoning affects ATP production by ____
a. using excess oxygen
b. interfering with Krebs cycle and electron transport chain reactions
c. increasing carbon dioxide levels
d. blocking glucose entry into cells
e. blocking the enzymes of glycolysis
ANSWER: b
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Once amino acids are hydrolyzed from proteins, the energy can be harvested in cellular respiration pathways
A. as an intermediate molecule within the Krebs cycle. B. after slight modification to become acetyl CoA. C. after the ammonia group is removed. D. as in all of these answer options, with only minimal modification required. E. after slight modification to become pyruvate.
Oligosaccharides include ____
a. sucrose only b. glucose only c. fructose only d. lactose only e. both sucrose and lactose
The main function of salivary amylase is to ________
A) moisten food B) break down proteins C) absorb nutrients D) break down starch
The ________ is the entire interwoven mass of one multicellular fungal organism
A) hyphae B) sporangium C) mycelium D) pseudoplasmodium E) conidiophore